メタデータ名 C24323-19900226
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((141.6750000 43.9291667, 141.6812500 43.9291667, 141.6812500 43.9333333, 141.6750000 43.9333333, 141.6750000 43.9291667)) ^^http://www.opengis.net/ont/geosparql#wktLiteral